Improvement in bed-bottom springs



UNITED STATES PATENT Orrron.

OSKER F. A. FAULKNER, OF MOUNT PLEASANT, IOWA IMPROVEMENT IN BED-EOTTGM SPRINGS.

Specification forming part of Letters Eatent No. 129,218, dated July 16, 1872.

adjustable loops or rings, so that by simply shifting said loops toward or from the center of the leaves, where they are connected by a single pin, the tension of the springs may be regulated, for purposes more fully explained hereinafter.

Figure l is a plan view of a bed-bottom havin g my improved springs attached, and showing the slats and frame-work upon which the bed rests. Fig. 2 is a side elevation, showing the spring in position, the manner of applying the same to the bedstead, and of applying the bottom to the springs. Fig. 3 is an end view.

Corresponding letters refer to like parts in the several figures.

In constructing bed-bottoms of this character I use for the springs leaves A A, of wood or of metal, the upper ones being of sufficient length to rest upon cross-bars B attached to the bedstead at or near its ends, as shown in the drawing. These bars should be provided with sockets, at the points where the springs rest upon them, for the purpose of holding said springs in position; theymay, however, be held by pins inserted in the bars B, if preferred. Upon the under side of the leaf or bar A of the spring there is placed another and a shorter leaf or bar, A, its length being such as to permit its ends to pass down between the crossbars B, as shown in Fig. 2. The leaves A and A are centrally connected together by a dowel-pin, or they may be secured in other equivalent manner, which shall admit of a ready reversal of the leaves to prevent their permanet set. In order that the two leaves or bars constituting a spring may be united to each other in such a manner that the weight put upon the bed may be borne by both, and in such a manner that the tension of the springs may be regulated according to such weight, loops or rings of metal A A are made to surround the two leaves, they being of such diameter or of such dimensions as to slide freely upon said leaves or bars, and yet keep them in contact u ith each other at the points where said loops or rings may be placed, and between such points, while the outer ends of the lower leaf or bar are free to benddownward, as shown in Fig. 2.

It will be seen that, as a consequence of the construction of these springs, as above described, the loops orrings may be placed nearer to or further from the ends of the leaves or bars, and that when placed near the ends thereof the springs will have a greater amount 7 of tension, and consequently will sustain more weight or heavier persons without allowing the bed to settle below a certain point than when placed nearer to the center of said'leaves or bars.

In order that the elasticity of both leaves or bars of the spring may be utilized 'aslot, D, is made near the ends of each upper bar, so that the ends or posts upon which the framework rests can pass down through them, and rest upon the ends of the lower leaf of the spring. The frame-work upon which the bed rests may be made as is shown in the drawing, or of any other form suitable for the purpose, which is adapted to rest upon posts or studs, the lower ends of which can rest upon the lower leaf of the spring.

Some of the advantages of this form of sprin g may be enumerated as follows: They may be made of wood of any tough and springy kind, or they may be made of metal, and in either case, where they have become bent by use, the loops or rings may be removed, and each of the leaves turned over, which will result in giving them an increased amount of elasticity. Secondly, they are more elastic than any spring can be, when made from a single bar. that will preserve its form. Thirdly, the elasticity can at any time be adjusted without loss of time,-

to this specification, in the presence of two subscribing witnesses.

OSKER F. A. FAULKNER- Witnesses:

J NO. W. MARTIN, T. J. VAN HO N. 

